gui: keyaction, kbbind - Resolve macro content retrieval in KbBind::update()

This makes it easier to append the repetition delay.

src/gui/kbbind.cpp

@@ -239,8 +239,14 @@ void KbBind::update(QFile& cmd, int notify, bool force){
             cmd.write(keyLatin1);
             // if a macro definiton for the key is given,
             // add the converted string to key-buffer "macro"
-            if (act->isMacro() && act->macroContent().length() > 0) {
-                macros.append("macro " + keyLatin1 + ":" + act->macroContent().toLatin1() + "\n");
+            if (act->isMacro()) {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+                QList<QStringView> macroContent = QStringView(act->value()).split(':');
+#else // QT_VERSION < 6.0.0
+                QVector<QStringRef> macroContent = act->value().splitRef(':');
+#endif
+                if (macroContent[1].length() > 0)
+                    macros.append("macro " + keyLatin1 + ":" + macroContent[1].toLatin1() + "\n");
             }
         } else {
             // Otherwise, write the binding

src/gui/keyaction.h

@@ -31,11 +31,6 @@ public:
     // Name to send to driver (empty string for unbind)
     QString driverName() const;
 
-    // Returns the string that's passed to the daemon
-    inline QString macroContent() const {
-        return _value.split(":")[1];
-    }
-
     // Mode-switch action.
     // 0 for first mode, 1 for second, etc. Constants below for movement options
     const static int MODE_PREV = -2, MODE_NEXT = -1;